Question

To angles 1 and 2 in a diagram are supplementary. If m 1=77 degree, what equation can you write to solve for m 2? Let m 2=x

Answer 1

Since angles 1 and 2 are supplementary, the sum of their measures is 180 degrees. Therefore, we can write the equation:

m1 + m2 = 180

Substituting m1 = 77 and m2 = x:

77 + x = 180